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The Green Bay Packers are trying to get quarterback Seneca Wallace as much work as possible to prepare him to start Sunday against the Philadelphia Eagles, coach Mike McCarthy said Thursday.

Following are the highlights of McCarthy’s post-practice press conference on Thursday:

How is linebacker Clay Matthews looking wearing a club on his right hand?

Still trying to find the right fit. It was different today than yesterday. Curious what he felt. It’s how his hand, wrist, the ability to keep it from moving so far with the techniques he’ll be using. That can change the design.

How effective can Matthews be?

I hope very effective. He’s a dynamic football player.

How does your approach change with a backup quarterback playing multiple weeks rather than one game?

Mondays and Tuesdays around here been different, just utilizing personnel and making sure Seneca is comfortable. This man knows how to play quarterback. You don’t have enough reps, can’t practice 3 hours a day.

Do you have to try to control more clock, especially with Philadelphia’s fast offense?

it’s about time of possession. Want to do it running 50 plays or 75? I’d rather win time of possession with more plays.

Is it a challenge to get Wallace reps plus Scott Tolzien?

It’s tough on a short week, you have only so many reps. I really wanted to see Seneca operate the offense today. We need to get Scott involved a little bit, too.

Does the Eagles' speed stand out?

Definitely the speed of their operation. Simulating their offense for our defense today, we did a good job.

How hard will it be to substitute defensively against the Eagles?

We’re primarily operating out of two personnel groups. Have to make sure calls are seamless. We’re not going to be defeated because of personnel groups or ability to substitute.

What do you think of running back James Starks?

All he does is run for touchdowns. We’ve got to get him the ball more. But the game dictates that.

What are you looking for from tackle Derek Sherrod?

Just looking for him to get better. He’s a young player and is a bigger, stronger man today than when he was injured. He needs to play. This is a tough time for him and the team coming onto the 53. We’re trying to do extra things on the side.

What happened to linebacker Mike Neal that limited him in practice on Thursday?

He’s beaten up. I think he’ll be fine.

How’s guard T.J. Lang doing after his concussion?

He’s doing better.

Why is Eagles coach Chip Kelly's offense tough to defend?

They play fast. I’m a believer in that. They challenge the ability to substitute. Good players, the quarterback is red hot, making all the throws. They have balance.